D-Link DGS-3630-52PC Web UI Reference Guide 2 - Page 401

DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide Parameter Description • Community String - Select and enter the community string here. It can be a user-specified number represented by AA:NN, where AA (AS number) is the upper part of the word and NN (community number, user-specified) is the lower part of the word. Multiple numbers (separated by comma) can be specified. • Internet - Specifies routes free to be advertised to all peers. • No Export - Specifies not to advertise to external peers. • No Advertise - Specifies not to advertise the route to other BGP peers. • Local AS - Specifies not to send out of the local AS or sub autonomous system of a confederation. • Additive - Specifies to add the specified community to the existing communities. IP Precedence Local Preference Metric Origin Select the IP precedence option here. Options to choose from are Routine, Priority, Immediate, Flash, Flash Override, Critical, Internet, and Network. Use this feature to set the precedence value in the IP header. This option only takes effect when policy routing involves the IPv4 packet. Select and enter the local preference value here that will be used in the modification. The range is from 0 to 4294967295. Select and enter the metric value here that will be used in the modification. The range is from 0 to 4294967294. Select the origin option here that will be used in the modification. Options to choose from are: • IGP - Specifies that the prefix is originated from an Interior Gateway Protocol. • EGP - Specifies that the prefix is originated from an Exterior Gateway Protocol. • Incomplete - Specifies that the prefix is originated from an unknown source. Dampening Select and enter the dampening values here. There are 5 places where we can enter value here. They are listed below in order from top to bottom: • Half-Life - Enter the half-life time value here after which the penalty of the reachable routes is decreased by half. The range is from 1 to 45 minutes. • Re-Use - Enter the re-use value here. This specifies that if the penalty of a route is lower than this value, the route is unsuppressed. The range is 1 to 20000. • Suppress - Enter the suppress value here. This specifies that if the penalty of a route is higher than this value, the route is suppressed. The range is from 1 to 20000. • Maximum Suppress Time - Enter the maximum suppress time value here that a route can be suppressed. The range is from 1 to 255 minutes. • Unreachability Half-Life - Enter the unreachability half-life time value here after which the penalty of the unreachable routes is decreased by half. The range is from 1 to 45 minutes. Weight AS Path Metric Type Select and enter the weight value here that will be used in the modification. The range is from 0 to 65535. Select and enter the AS path value here that will be used in the modification. Select the metric type here that will be used in the modification. Options to choose from are Type-1 and Type-2. • Type-1 - Specifies to use the OSPF external type-1 metric. • Type-2 - Specifies to use the OSPF external type-2 metric. 389